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Finding the Fourth Proportional to 200,154.06, 300,148.02 and 73,801.50

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Solution

The fourth proportional to 200,154.06, 300,148.02 and 73,801.50 is: 110,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,154.06 : 300,148.02 = 73,801.50 : x
  2. Step 2: Convert to fraction form
    200,154.06/300,148.02 = 73,801.50/x
  3. Step 3: Cross multiply
    200,154.06x = 300,148.02 × 73,801.50
  4. Step 4: Simplify right side
    200,154.06x = 22,151,374,098.03
  5. Step 5: Solve for x
    x = 22,151,374,098.03/200,154.06
  6. Step 6: Final answer
    x = 110,671.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.